1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
import os
def clamp(val, lower, upper):
""" val if it's between lower and upper, else the closest of the two"""
return max(min(val, upper), lower)
def concat(arr):
"""Takes a list of sequences, returns the concatenation of the sequences """
if isinstance(arr[0], str):
return "".join(arr)
if isinstance(arr[0], bytes):
return b"".join(arr)
if isinstance(arr[0], list):
l = []
for s in arr:
l += s
return l
if isinstance(arr[0], tuple):
l = []
for s in arr:
l += s
return tuple(l)
else:
raise ValueError("type {} can't be concatenated".format(type(arr[0])))
def writeFileSafe(filename, data, tempname=None):
if tempname == None:
tempname = filename + ".tempfile"
with open(tempname, 'w') as f:
f.write(data)
os.rename(tempname, filename)
def readFile(filepath):
with open(filepath, "r") as f:
text = f.read()
return text
def get(collection, i, default=None):
""" Get an element in an indexed collection, or the default in case the index is out of bounds """
if i < 0 or i >= len(collection):
return default
return collection[i]
|
